CN210509677U

CN210509677U - Novel fan

Info

Publication number: CN210509677U
Application number: CN201921415041.1U
Authority: CN
Inventors: 敬雪; 孙志铁; 潘平
Original assignee: Zhongshan Juda Electric Appliance Technology Co ltd
Current assignee: Zhongshan Juda Electric Appliance Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-12
Anticipated expiration: 2029-08-28

Abstract

The utility model relates to a novel fan, including fan housing subassembly, the flabellum, drive flabellum pivoted rotation motor and the control circuit who is connected with the rotation motor electricity, fan housing subassembly includes back fan housing and covers the preceding fan housing that closes in back fan housing front end, be formed with the flabellum space that supplies the flabellum to rotate and/or to reciprocate between preceding fan housing and the back fan housing, the rotation motor can rotationally be connected on back fan housing, the rotation motor is connected with and drives its swing motor that reciprocates through crank slewing mechanism so that the flabellum can make the flabellum sway back and forth in the flabellum space relative to fan housing subassembly when rotating, effectively reduce the space that the fan took when operation, avoid fan housing subassembly and external object to collide with each other; in addition, the swinging axis of the rotating motor and the axis of the rotating shaft of the crank rotating mechanism are not on the same straight line, so that the swinging angle is effectively improved, and the air supply area is increased.

Description

Novel fan

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of fans, in particular to a novel fan with swinging fan blades.

[ background of the invention ]

The fan is a household appliance frequently used in life of people, the fan in the prior art drives the fan blades to rotate through a motor to realize air supply, but the fan has a single-angle air supply function, if the swinging air supply is realized, a swinging mechanism is needed to drive the motor, the fan blades, the fan cover and other components to swing back and forth, but the fan cover is easy to collide with an external object during swinging, and therefore the fan with the fan cover fixed and the fan blades swinging back and forth is needed to be designed.

If publication number is CN205478464U, the invention name is a Chinese utility model patent of built-in floor fan of shaking head and lying prone, it discloses two kinds of implementation ways, and embodiment one is: the lying floor fan can drive the fan head to swing back and forth on the mounting seat through the oscillating driving mechanism, the mounting seat comprises a mounting plate, the mounting plate is fixed on the protective cover through a bolt component, a through hole which is arranged in the middle of the mounting plate and lets the fan head, the mounting plate extends towards the protective cover to form a connecting plate, the connecting plate is provided with a connecting hole, the fan head passes through the connecting hole through an extending rod and is connected with the crank-rocker mechanism, when the oscillating driving mechanism drives the crank-rocker mechanism to move, the extending rod which passes through the connecting hole is connected with the rocker, and the mounting seat is fixedly connected on the protective cover, so that the fan head does small-angle back and forth swing with the connecting hole as the center under the driving of the oscillating driving mechanism, thereby realizing the swinging air supply function of the lying; however, the rotation axis of the rocker coincides with the swing axis of the fan head, so that the swing angle of the fan head is smaller, and the swing angle is obviously weaker than that of the swing type fan in the prior art.

The second embodiment is as follows: the oscillating driving mechanism is not provided with a separate driving motor, the driving force of the oscillating driving mechanism is provided by a fan blade driving motor for driving the fan blade to rotate, the oscillating driving mechanism is connected with an output shaft core of the fan blade driving motor through a speed reducing mechanism, the oscillating driving mechanism is driven to operate when the fan blade driving motor drives the fan blade to rotate, the oscillating driving mechanism is also provided with a key capable of controlling the oscillating driving mechanism to swing or stop, and the key penetrates through the protective cover and is exposed outside for convenient operation; however, the technical scheme is not complete, and only the technical scheme of rotating and swinging the fan blades can be realized, and the technical scheme of how to realize the rotation and not swinging of the fan blades is not specifically disclosed.

[ summary of the invention ]

In order to solve the above problems, the present invention provides a novel fan with a fan blade swinging fan cover without swinging.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel fan comprises a fan cover component, fan blades, a rotating motor and a control circuit, wherein the rotating motor drives the fan blades to rotate, the control circuit is electrically connected with the rotating motor, the fan cover component comprises a rear fan cover and a front fan cover which covers the front end of the rear fan cover, a fan blade space for the fan blades to rotate and/or swing back and forth is formed between the front fan cover and the rear fan cover, the rotating motor is rotatably connected to the rear fan cover, the rotating motor is connected with a swinging motor which drives the rotating motor to swing back and forth through a crank rotating mechanism, so that the fan blades can swing back and forth in the fan blade space relative to the fan cover component when rotating, and the swinging motor is electrically connected with the control circuit; the swinging axis of the rotating motor and the axis of the rotating shaft of the crank rotating mechanism are not on the same straight line.

As a preferred embodiment, further defined is: the novel fan also comprises a front casing which is positioned in the fan blade space and covers the front end of the rear fan cover, and a rear casing which covers the rear end of the rear fan cover and is matched with the front casing, wherein a driving space is formed between the front casing and the rear casing, and the rotating motor, the swinging motor and the control circuit are respectively positioned in the driving space; the rotating motor is connected with the front casing in a rotating mode, the front end of the front casing is provided with a strip-shaped hole for the output shaft of the rotating motor to extend out and be connected with the fan blades, and the width of the strip-shaped hole in the transverse direction is larger than that of the strip-shaped hole in the longitudinal direction.

As a preferred embodiment, further defined is: the lower extreme middle part of preceding casing has inside bellied first installation department, the outside of first installation department is provided with the first breach of semicircular, the outside fixedly connected with of first installation department rather than the first fixed block of assorted, the inboard of first fixed block be provided with breach under the semicircular second of first breach looks adaptation, the lower extreme that rotates the motor is provided with first pivot, the cover is equipped with first bearing in the first pivot, the assembly back first bearing centre gripping is in between breach and the second breach under first.

As a preferred embodiment, further defined is: the crank rotating mechanism comprises a rotating part and a connecting rod, the rotating part is integrally formed, the rotating part is provided with a first rotating part and a second rotating part eccentrically arranged with the rotating part, the first rotating part is connected with an output shaft of the swing motor, one end of the connecting rod is hinged with the second rotating part, the other end of the connecting rod is hinged with the first fixed block, and the hinged shaft is used as the axis of a rotating shaft of the crank rotating mechanism; the swing motor is fixedly connected with the rotating motor through a connecting piece, and when the swing motor drives the rotating piece to rotate, the connecting rod reversely drives the swing motor, the connecting piece and the rotating motor to rotate along the swing axis of the rotating motor in a reciprocating mode, so that the fan blades can swing back and forth relative to the fan cover assembly in the fan blade space when rotating.

As a preferred embodiment, further defined is: the connecting piece is provided with a first connecting portion and a second connecting portion perpendicular to the first connecting portion, the first connecting portion is fixedly connected with the rear end face of the rotating motor, and the swinging motor is fixed to the second connecting portion.

As a preferred embodiment, further defined is: the upper end middle part of preceding casing has inside bellied second installation department, the outside of second installation department is provided with the first breach of going up of semicircular, the outside fixedly connected with of second installation department rather than assorted second fixed block, the inboard of second fixed block be provided with the breach is gone up to the semicircular second of first breach looks adaptation, the upper end of rotating the motor be provided with the second pivot that first pivot corresponds, the cover is equipped with the second bearing in the second pivot, the assembly back the second bearing centre gripping is in go up between the breach and the second breach.

As a preferred embodiment, further defined is: the middle part of the rear fan cover is provided with a through hole, the rear fan cover is also provided with a hanging lug extending into the through hole, the front casing is fixed on the hanging lug through a first screw, and the rear casing is fixed on the front casing through a second screw.

As a preferred embodiment, further defined is: the edge of the front end of the rear casing is provided with a plurality of fixing pieces which are turned outwards, an opening is formed between the fixing pieces, the hanging lug is located in the opening during assembly, the first screw penetrates through the hanging lug and is in threaded connection with the front casing, and the second screw penetrates through the fixing pieces and is in threaded connection with the front casing.

As a preferred embodiment, further defined is: and the rear shell is also provided with a speed regulating switch and a swinging switch which are electrically connected with the control circuit.

As a preferred embodiment, further defined is: and the rear shell is also provided with a power socket electrically connected with the control circuit, and the power socket is externally connected with a power adapter.

As a preferred embodiment, further defined is: the control circuit comprises a control circuit board, and a plurality of elastic buckles matched with the control circuit board are designed at the rear end of the rotating motor.

As a preferred embodiment, further defined is: a plurality of heat dissipation holes are formed in the front shell.

As a preferred embodiment, further defined is: the front fan cover or the rear fan cover is connected with a supporting frame through a locking mechanism.

The beneficial effects of the invention are as follows:

1. the fan blade space for the rotation and/or the reciprocating swing of the fan blades is formed between the front fan cover and the rear fan cover, the rotating motor is rotatably connected to the rear fan cover and is connected with the swing motor which drives the reciprocating swing of the rotating motor through the crank rotating mechanism, so that the fan blades can swing back and forth in the fan blade space relative to the fan cover component when rotating, the space occupied by the fan during the operation is effectively reduced, and the fan cover component is prevented from colliding with external objects;

2. the swinging axis of the rotating motor and the axis of the rotating shaft of the crank rotating mechanism are not on the same straight line, so that the swinging angle is effectively improved, and the air supply area is increased.

3. The upper end and the lower end of the rotating motor are respectively and rotatably connected with the front casing through bearings, so that the fan blades can swing smoothly.

[ description of the drawings ]

FIG. 1 is one of the schematic structural diagrams of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic diagram of the partial structure created by the present invention;

FIG. 5 is an exploded view of the inventive structure;

FIG. 6 is one of the schematic structural views of the front housing;

FIG. 7 is a second schematic structural view of the front housing;

fig. 8 is a structural schematic diagram of the rear cabinet.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 5, a novel fan comprises a fan cover assembly 1, fan blades 2, a rotating motor 3 for driving the fan blades 2 to rotate, and a control circuit 4 electrically connected with the rotating motor 3, the fan cover assembly 1 comprises a rear fan cover 101 and a front fan cover 102 covering the front end of the rear fan cover 101, a fan blade space for the fan blades 2 to rotate and/or swing back and forth is formed between the front fan housing 102 and the rear fan housing 101, the rotating motor 3 is rotatably connected to the rear fan cover 101, and the rotating motor 3 is connected with a swing motor 5 which drives the rotating motor to swing back and forth through a crank rotating mechanism, so that the fan blades 2 can swing back and forth in the fan blade space relative to the fan cover assembly 1 when rotating, the space occupied by the fan during operation is effectively reduced, and the fan cover assembly is prevented from colliding with external objects; the swing motor 5 is electrically connected with the control circuit 4; the swing axis of the rotating motor 3 and the axis of the rotating shaft of the crank rotating mechanism are not in the same straight line, so that the swing angle is effectively improved, and the air supply area is increased.

The novel fan also comprises a front casing 6 which is positioned in the fan blade space and covers the front end of the rear fan cover 101, and a rear casing 7 which covers the rear end of the rear fan cover 101 and is matched with the front casing 6, a driving space is formed between the front casing 6 and the rear casing 7, the rotating motor 3, the swinging motor 5 and the control circuit 4 are respectively positioned in the driving space, the front casing 6 and the rear casing 7 play a role in decoration, and no exposed mechanical structure is formed, so that the product is more attractive; rotate motor 3 with preceding casing 6 rotates to be connected, the front end of preceding casing 6 has the confession rotate motor 3's output shaft stretch out with the bar hole 61 that flabellum 2 is connected, the width of the transverse direction of bar hole 61 is greater than the width of its longitudinal direction, is convenient for drive flabellum 2 and sways.

Furthermore, as shown in fig. 6 and 7, the lower end middle part of the front housing 6 has a first mounting portion 62 protruding inwards, the outer side of the first mounting portion 62 is provided with a first semicircular lower notch 63, the outer side of the first mounting portion 62 is fixedly connected with a first fixing block 8 matched with the first mounting portion, the inner side of the first fixing block 8 is provided with a second semicircular lower notch 81 matched with the first lower notch 63, the lower end of the rotating motor 3 is provided with a first rotating shaft 31, the first rotating shaft 31 is sleeved with a first bearing 32, and after assembly, the first bearing 32 is clamped between the first lower notch 63 and the second lower notch 81, so as to facilitate the rotation of the rotating motor 3.

In order to make the swing of the rotating motor 3 more smooth, the upper end middle part of the front housing 6 is provided with a second mounting part 64 protruding inwards, the outer side of the second mounting part 64 is provided with a first semicircular upper notch 65, the outer side fixedly connected with of the second mounting part 64 is connected with a second fixed block 12 matched with the second mounting part, the inner side of the second fixed block 12 is provided with a second upper notch 121 matched with the first upper notch 65, the upper end of the rotating motor 3 is provided with a second rotating shaft 33 corresponding to the first rotating shaft 31, a second bearing 34 is sleeved on the second rotating shaft 33, and the second bearing 34 is clamped between the first upper notch 65 and the second upper notch 121 after assembly. The upper end and the lower end of the rotating motor are respectively and rotatably connected with the front casing through bearings, so that the stress is more uniform, and the swinging of the fan blades is smoother.

In this embodiment, the crank rotation mechanism includes a rotation member 9 and a connecting rod 10, the rotation member 9 is integrally formed, the rotation member 9 has a first rotation portion 91 and a second rotation portion 92 eccentrically disposed thereto, the first rotation portion 91 is connected to an output shaft of the swing motor 5, one end of the connecting rod 10 is hinged to the second rotation portion 92, and the other end is hinged to the first fixing block 8 and takes the hinged shaft as a rotation shaft center of the crank rotation mechanism; the swing motor 5 is fixedly connected with the rotating motor 3 through a connecting piece 11, when the swing motor 5 drives the rotating piece 9 to rotate, the connecting rod 10 reversely drives the swing motor 5, the connecting piece 11 and the rotating motor 3 to rotate along the swing axis of the rotating motor 3 in a reciprocating mode, so that the fan blades 2 can swing back and forth relative to the fan cover assembly 1 in the fan blade space when rotating. Because the articulated shaft of the connecting rod 10 is the axle center of the rotating shaft of the crank rotating mechanism and the axle center of the rotating shaft is not in the same straight line with the swinging axle center of the rotating motor 3, the fan blade 2 can be driven to swing more greatly, and the air supply range is enlarged.

In this embodiment, the connecting plate 11 has a first connecting portion 111 and a second connecting portion 112 vertically arranged thereon, the first connecting portion 111 is fixedly connected to the rear end face of the rotating motor 3, and the swing motor 5 is fixed to the second connecting portion 112, which is simple in structure, and the fixed connection manner can be a threaded connection in the prior art.

In order to improve the assembly efficiency and simplify the product structure, the middle of the rear fan housing 101 has a through hole 103, the rear fan housing 101 further has a hanging lug 104 extending into the through hole 103, the front housing 6 is fixed on the hanging lug 104 by a first screw 13, and the rear housing 7 is fixed on the front housing 6 by a second screw 14. Furthermore, as shown in fig. 8, the front end edge of the rear housing 7 has a plurality of fixing pieces 71 flanged outward, an opening 72 is formed between adjacent fixing pieces 71, the hanging lug 104 is located in the opening 72 during assembly, the first screw 13 passes through the hanging lug 104 and is in threaded connection with the front housing 6, and the second screw 14 passes through the fixing pieces 71 and is in threaded connection with the front housing 6, so that the structure is simple and the installation is firm. And a plurality of heat dissipation holes 66 are further formed in the front casing 6, so that the motor 3 and the swing motor 5 can be conveniently rotated to dissipate heat, and the service life of the motor is effectively prolonged.

In this embodiment, the rear housing 7 is further provided with a speed control switch 15 and a swing switch 16 electrically connected to the control circuit 4. The speed regulating switch 15 is used for controlling the rotating speed of the fan blades 2 so as to adjust the wind speed, and the swing switch 16 is used for controlling whether the fan blades 2 swing so as to control the air supply angle. In the embodiment, the fan adopts stepless regulation of the wind speed, so that a user can freely set the wind speed according to the requirement, and the optimal energy-saving effect is achieved. And the rear shell 7 is also provided with a power socket 17 electrically connected with the control circuit 4, and the power socket 17 is externally connected with a power adapter and is externally connected with a power supply through the power adapter. Control circuit 4 includes control circuit board, for the convenience of control circuit board's quick installation, the rear end design of rotating motor 3 have a plurality of with control circuit board assorted elasticity buckle 35, during the assembly directly with control circuit board detain in elasticity buckle 35 can, the assembly is simple. The front fan cover 102 or the rear fan cover 101 is connected with a supporting frame 19 through a locking mechanism 18, the locking mechanism 18 and the supporting frame 19 are common technical means of a floor fan for lying prone, and the pitching angle adjustment of the novel fan can be achieved through an elastic locking mechanism 18.

Claims

1. A novel fan comprises a fan cover component (1), fan blades (2), a rotating motor (3) for driving the fan blades (2) to rotate and a control circuit (4) electrically connected with the rotating motor (3), wherein the fan cover component (1) comprises a rear fan cover (101) and a front fan cover (102) covered at the front end of the rear fan cover (101), the novel fan is characterized in that a fan blade space for the fan blades (2) to rotate and/or swing in a reciprocating manner is formed between the front fan cover (102) and the rear fan cover (101), the rotating motor (3) is rotatably connected on the rear fan cover (101), and the rotating motor (3) is connected with a swing motor (5) for driving the reciprocating swing of the rotating motor through a crank rotating mechanism so that the fan blades (2) can swing back and forth relative to the fan cover component (1) in the fan blade space when rotating, the swing motor (5) is electrically connected with the control circuit (4); the swinging axis of the rotating motor (3) is not in the same line with the axis of the rotating shaft of the crank rotating mechanism.

2. The novel fan according to claim 1, characterized in that it further comprises a front casing (6) located in the blade space and covering the front end of the rear fan housing (101), and a rear casing (7) covering the rear end of the rear fan housing (101) and corresponding to the front casing (6), a driving space is formed between the front casing (6) and the rear casing (7), and the rotating motor (3), the swinging motor (5) and the control circuit (4) are respectively located in the driving space; rotate motor (3) with preceding casing (6) rotate to be connected, the front end of preceding casing (6) has the confession the output shaft of rotating motor (3) stretch out with bar hole (61) that flabellum (2) are connected, the width of the transverse direction of bar hole (61) is greater than the width of its longitudinal direction.

3. The novel fan according to claim 2, characterized in that the lower middle part of the front housing (6) has a first mounting part (62) protruding inwards, a first semicircular lower notch (63) is arranged on the outer side of the first mounting part (62), a first fixed block (8) matched with the first mounting part is fixedly connected to the outer side of the first mounting part (62), a second semicircular lower notch (81) matched with the first lower notch (63) is arranged on the inner side of the first fixed block (8), a first rotating shaft (31) is arranged on the lower end of the rotating motor (3), a first bearing (32) is sleeved on the first rotating shaft (31), and the first bearing (32) is clamped between the first lower notch (63) and the second lower notch (81) after assembly.

4. The novel fan according to claim 3, wherein the crank mechanism comprises a rotating member (9) and a connecting rod (10), the rotating member (9) is integrally formed, the rotating member (9) has a first rotating part (91) and a second rotating part (92) eccentrically arranged with the first rotating part, the first rotating part (91) is connected with the output shaft of the swing motor (5), one end of the connecting rod (10) is hinged with the second rotating part (92), and the other end is hinged with the first fixed block (8) and takes the hinged shaft as the rotating shaft center of the crank mechanism; swing motor (5) through connection piece (11) with rotate motor (3) fixed connection swing motor (5) drive when rotating piece (9) rotate connecting rod (10) reverse drive swing motor (5), connection piece (11) and rotate motor (3) and follow thereby rotate the reciprocal rotation in axle center that sways of motor (3) and make flabellum (2) can be in when rotating the flabellum space for fan casing subassembly (1) is swung round and round.

5. The novel fan according to claim 4, wherein the connecting piece (11) has a first connecting portion (111) and a second connecting portion (112) perpendicular thereto, the first connecting portion (111) is fixedly connected to a rear end surface of the rotating motor (3), and the swing motor (5) is fixed to the second connecting portion (112).

6. The novel fan as claimed in any one of claims 3 to 5, wherein the front casing (6) has a second mounting portion (64) formed at an upper middle portion thereof to protrude inward, a semicircular first upper notch (65) is arranged on the outer side of the second mounting part (64), the outer side of the second mounting part (64) is fixedly connected with a second fixed block (12) matched with the second mounting part, a semicircular second upper notch (121) matched with the first upper notch (65) is arranged on the inner side of the second fixed block (12), a second rotating shaft (33) corresponding to the first rotating shaft (31) is arranged at the upper end of the rotating motor (3), and a second bearing (34) is sleeved on the second rotating shaft (33), and the second bearing (34) is clamped between the first upper notch (65) and the second upper notch (121) after assembly.

7. The novel fan as claimed in any one of claims 2 to 5, wherein the rear fan housing (101) has a through hole (103) in the middle thereof, the rear fan housing (101) further has a hanging lug (104) extending into the through hole (103), the front housing (6) is fixed on the hanging lug (104) by a first screw (13), and the rear housing (7) is fixed on the front housing (6) by a second screw (14).

8. The novel fan as claimed in claim 7, wherein the front edge of the rear housing (7) has a plurality of fixing pieces (71) flanged outward, an opening (72) is formed between adjacent fixing pieces (71), the hanging lug (104) is located in the opening (72) when assembling, the first screw (13) passes through the hanging lug (104) to be connected with the front housing (6) by screw, and the second screw (14) passes through the fixing piece (71) to be connected with the front housing (6) by screw.

9. The novel fan according to any one of claims 2-5, characterized in that the rear housing (7) is further provided with a speed-regulating switch (15) and a rocking switch (16) electrically connected with the control circuit (4).

10. The novel fan as claimed in any one of claims 2-5, wherein a power socket (17) electrically connected to the control circuit (4) is further disposed on the rear housing (7), and the power socket (17) is externally connected to a power adapter.

11. The novel fan as claimed in any one of claims 1 to 5, wherein the control circuit (4) comprises a control circuit board, and the rear end of the rotating motor (3) is designed with a plurality of elastic buckles (35) matching with the control circuit board.

12. The novel fan as claimed in any one of claims 2-5, wherein said front housing (6) is provided with a plurality of heat dissipating apertures (66).

13. The new fan according to any of claims 1-5, characterized in that the front fan housing (102) or the rear fan housing (101) is connected with a support frame (19) by a locking mechanism (18).